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| 表面の説明 | ログイン して詳細を見る |
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| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | A finely detailed dorsal view of the Queen Alexandra's birdwing butterfly (Ornithoptera alexandrae), the world's largest butterfly species, is depicted with wings fully spread and outstretched in high relief at the center of the field. The intricate venation and wing patterning are rendered with exceptional numismatic precision. A beaded inner border frames the entire design. The denomination K100 appears in raised block lettering within the lower field below the butterfly, with an engraver's monogram visible at the lower right of the design. |
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| 縁 | Smooth |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | ログイン して詳細を見る |
| 追加情報 |
Papua New Guinea issued this platinum butterfly coin as part of a broader conservation series highlighting endemic species under pressure from deforestation and habitat loss in the highlands. The Queen Alexandra's Birdwing — not technically a butterfly in common parlance but the world's largest, with females reaching wingspans above 25 cm — was listed under CITES Appendix I in 1987, making commercial trade in specimens illegal. Mintages on platinum issues from Port Moresby-authorized series of this period were extremely low, typically in the dozens rather than thousands.